1. Programming function settings: Press and hold the SET key for 2 seconds, the corresponding LED flash quickly (4HZ), and then short press the M1 or M2 key. The LED lights flash slowly on the corresponding function screen in sequence (the order of lights is X, ○, △, □, R3, L3, R2, L2, R1, L1). Then press the SET key once, and the corresponding functions be mapped to M1/2; 2. For example, when entering programming mode, press the M1 key to display the LED on R1, then press the SET key again, the LED on R1 become permanently lit, and the M1 function be R1; When programming M2, it is similar to the above class. 10 LEDs as button function indicator lights, indicating the function of programming buttons and displaying 2 LED lights. 3. Cancel function: Press and hold the SET button for 5 seconds, the programming indicator LED change from flashing fast to off, and the M1/2 function be cleared. At this time, the button has no programming function. 4. Programming key memory function: Insert the back key extender into the handle. If M1/2 has no function, LED1 flash slowly (2HZ) for 3 seconds and then turn off. Long press the SET key to enter programming mode, and LED1 flash quickly; If M1/2 remembers the last programming function, the corresponding LED light remain on. 5. Programming function before power-off to save memory; Inserting the handle again still retains the previous programming function, and there is no programming function by default at the factory. Type:for Strike Pack Controller Turbo function setting: Press and hold both the function button and Turbo button simultaneously, then the function button has Turbo burst function; Pressing the above combination of keys again cancel the Turbo function of that key. If the Turbo function is set, the LED corresponding to the function flash (4Hz) after pressing the button Due to different batches, the appearance, color and printed words of the product , which not affect the use. Colour:Black Material:Plastic Package Contents: 1 * Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.